西安毛子科技大学XIDIANUNIVERSIT4、转置A.A12mA223则设分块矩阵 A=AsA.A.SstA'Al1A21s1A2A2A's2:：:A'AfA....11 21 1 12 22 2 1 2 . ss t t st A A A A A A A A A A              =          设分块矩阵 11 12 1 21 22 2 1 2 , tt s s st A A A A A A A A A A       =       则 4、转置